From Longman Business DictionaryAsian Development BankA‧sian De‧vel‧op‧ment Bank /ˌeɪʃən dɪˈveləpmənt ˌbæŋkˌeɪʒən-/abbreviation ADB nounBANKINGORGANIZATIONSa bank owned by the governments of Asian and other countries, which tries to encourageeconomicdevelopment in Asia and the Pacific